| 5 |
| 4.04 |
| 0 |
The Deepest Map: The High-Stakes Race to Chart the World's Oceans | 4 |
| 3.81 |
| 4.05 |
| 4.13 |
The Splendid and the Vile: A Saga of Churchill, Family, and Defiance During the Blitz | 4.17 |
| 3.63 |
Dead Wake: The Last Crossing of the Lusitania | 3.97 |
The Demon of Unrest: A Saga of Hubris, Heartbreak, and Heroism at the Dawn of the Civil War | 4 |
Skeletons on the Zahara: A True Story of Survival | 4.33 |
A Distant Mirror: The Calamitous 14th Century | 4.17 |
The Devil in the White City | 4 |